A helicopter is able to________and land straight up and down. [ ]A. take awa

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A helicopter is able to________and land straight up and down. [     ]
A. take away
B. take on
C. take up
D. take off

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举一反三

He ________like that in public,which made him feel  embarrassed. [     ]
A. was used to being made fun of
B. was used to make fun of
C. used to be made fun of
D. used to make fun of

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This visit will greatly________our understanding of your great country.[      ]
A. add up to
B. add up
C. add to
D. add in

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In what field will robots________ human tasks?[      ]
A. take up
B. take out
C. take down
D. take over

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The pregnant woman is about to give birth to a baby, so we"d better________a doctor immediately.[     ]
A. send in
B. send off
C. send for
D. send away

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Three students were chosen to________the experiment. [      ]
A. take out
B. look out
C. carry out
D. watch out

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